112710domain: NAppears in sequencesa(n) = n*(n+1)*(n^2+5*n+18)/24.at n=38A051744Fourth column (m=5) of array A090452.at n=11A090454Numbers k such that 465*2^k+1 is prime.at n=40A318193Product_{n>=1} (1+x^n)^a(n) = Sum_{k>=0} C(k)*x^k, where C(k) = A000108(k).at n=11A378424